petraeus's schedule, and much of that is not open to the public. that's when they started thinking if the sender of this e-mail has access to his private schedule, what else does this e-mailer have access to, and that raised all kinds of national security alarms. >> there's deep irritation on capitol hill, in the house and senate, respective intelligence committee chairs, for example, that they weren't notified about this, and that irritation seems to be escalating. >> yeah, it is escalating, and one of the reasons is, wolf, that the national security act itself, if you read it, as i have, and others have, and lawyers have, is very ambiguous on this question. it would have been a lot easier if the fbi discovered a national security breach. then the protocol is clear, you take it up the ladder. but if it is just a criminal investigation and it is closing and you don't think there's national security implications, there's a great deal of sensitivity for the fbi.